Validate Your Config at Startup, Not at 3 a.m.
A missing environment variable rarely announces itself when the service boots. It waits. The app starts, health checks pass, and the first time a user hits the one code path that reads PAYMENT_WEBHOOK
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Posts tagged #devops
Make Your Config Fail Loudly at Startup
Few bugs are as annoying as the one that shows up three hours after a deploy, when the first request finally touches the code path that reads PAYMENT_WEBHOOK_SECRET, and it turns out nobody set it in
Log Lines Are Letters to Your Future Self
At 2 a.m., during an incident, the only person reading your logs is a tired version of you (or a teammate) with no context. Write for that person. Here are a few habits that have saved me more than on